I've been using this iCloud account for 3 years and now it is having issues with the WhatsApp backup. If I try to do a manual backup in WhatsApp settings, it sticks on preparing or either goes to max 5%. When I try daily auto backups, it says the data is backed up but in the iCloud storage management, it shows as the screenshot attached below. Only 106.1 MB of 5 GB is used in iCloud but the items below show that the WhatsApp backup on the iCloud is taking a space of 1.8 GB. Also if I sign in with another iCloud ID the WhatsApp backup will work fine with that and show total space used along with the space WhatsApp backup is using.
How can I make it work as expected?